Home / 141,178.14-194,770.26-80,716.32

Finding the Fourth Proportional to 141,178.14, 194,770.26 and 80,716.32

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Solution

The fourth proportional to 141,178.14, 194,770.26 and 80,716.32 is: 111,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178.14 : 194,770.26 = 80,716.32 : x
  2. Step 2: Convert to fraction form
    141,178.14/194,770.26 = 80,716.32/x
  3. Step 3: Cross multiply
    141,178.14x = 194,770.26 × 80,716.32
  4. Step 4: Simplify right side
    141,178.14x = 15,721,138,632.64
  5. Step 5: Solve for x
    x = 15,721,138,632.64/141,178.14
  6. Step 6: Final answer
    x = 111,356.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.